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  5. DeepSeek V4 Flash Vision ExpvsGPT-5 Nano
Updated Aug 2026

DeepSeek V4 Flash Vision ExpvsGPT-5 Nano

DeepSeek V4 Flash Vision Exp is the newer model, released after GPT-5 Nano.

DeepSeek V4 Flash Vision Exp and GPT-5 Nano compared across 8 shared prompts
SpecDeepSeek V4 Flash Vision ExpGPT-5 Nano
Input price$0.22/M tokens—
Output price$0.66/M tokens—
Context window1.0M tokens—
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedAug 2026Aug 2025
Side by side

Same prompt, both answers

Opening lines from 2 of the 8 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

DeepSeek V4 Flash Vision Exp144 words
Sticky Soy-Glazed Midnight Noodles A sweet-savory, buttery noodle dish that comes together in about 20 minutes with pantry staples. Ingredients (7): 8 oz spaghetti or noodles 3 tbsp butter 3 cloves garlic, thinly sliced 2 tbsp soy sauce 1 tbsp honey ½ tsp chili flakes 1 tbsp sesame seeds Instructions: Cook the noodles…
Read the full answer
GPT-5 Nano196 words
Sunlit Lemon-Garlic Pasta A bright, quick dish using seven common pantry staples. Ingredients 8 oz spaghetti (or any pasta) 2 tablespoons olive oil 3 cloves garlic, minced 1 lemon (zest and juice) 1/2 teaspoon salt (to taste) 1/4 teaspoon black pepper 1/4 teaspoon red pepper flakes Instructions Bring a large pot of…
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

DeepSeek V4 Flash Vision Exp565 words
Here’s a simple, beginner-friendly 1-month plan built around three key pillars: Nutrition, Movement, and Sleep & Stress. The goal is small, repeatable habits — not perfection. The 3 Key Areas Nutrition Goal: Eat more whole foods, more protein, and more plants.
Read the full answer
GPT-5 Nano1,089 words
Here’s a simple, actionable 1-month plan focused on three beginner-friendly pillars: Diet, Movement (exercise), and Sleep. It’s designed to be easy to start, with small weekly progressions you can actually stick to.
Read the full answer
Our Verdict
DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp
GPT-5 Nano
GPT-5 NanoRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash Vision Exp has the edge: bigger model tier, newer, bigger context window.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Flash Vision Exp
Input
$0.22
Output
$0.66
GPT-5 Nano
Input
—
Output
—
Where to run it

7 hosts, cheapest first

DeepSeek V4 Flash Vision Exp5 hosts
HostInOutContextUptime
FFireworks$0.22 in·$0.66 out·1M·99.8% upGGMI Cloudfp8$0.44 in·$1.32 out·1M·99.8% upNNovita$0.44 in·$1.32 out·1M·100% upSSiliconFlowfp8$0.44 in·$1.32 out·1M·97.4% upDDeepInfrafp8degraded$0.22 in·$0.65 out·1M·66.3% up
GPT-5 Nano2 hosts
HostInOutContextUptime
Azure AI Foundry$0.05 in·$0.40 out·400k·99.9% upOpenAI$0.05 in·$0.40 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Flash Vision Exp is developed by DeepSeek while GPT-5 Nano is developed by OpenAI. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Flash Vision Exp and GPT-5 Nano each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

This page shows a side-by-side comparison of DeepSeek V4 Flash Vision Exp and GPT-5 Nano across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

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Same lab, same size, long tail

DeepSeek V4 Flash Vision Exp logoDeepSeek V4.1 Flash logo
DeepSeek V4 Flash Vision Exp vs DeepSeek V4.1 FlashSame lab
DeepSeek V4 Flash Vision Exp logoDeepSeek V4 Pro 0813 logo
DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0813Same lab
GPT-5 Nano logoGPT-6 Astra Pro logo
GPT-5 Nano vs GPT-6 Astra ProSame lab
GPT-5 Nano logoGPT-6 Astra logo
GPT-5 Nano vs GPT-6 AstraSame lab
DeepSeek V4 Flash Vision Exp logoGPT-4.1 Mini logo
DeepSeek V4 Flash Vision Exp vs GPT-4.1 MiniCross-provider
DeepSeek V4 Flash Vision Exp logoGPT-4.1 Nano logo
DeepSeek V4 Flash Vision Exp vs GPT-4.1 NanoCross-provider
DeepSeek V4 Flash Vision Exp logoGPT-4.5 logo
DeepSeek V4 Flash Vision Exp vs GPT-4.5Cross-provider
DeepSeek V4 Flash Vision Exp logoGPT-4o (Omni) logo
DeepSeek V4 Flash Vision Exp vs GPT-4o (Omni)Cross-provider

Model pages

DeepSeek V4 Flash Vision Exp logo
DeepSeek V4 Flash Vision Exp8 outputs, specs and price
GPT-5 Nano logo
GPT-5 Nano59 outputs, specs and price
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